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| My 1974 2CV van http://www.international2cvfriends.com/forum/viewtopic.php?f=5&t=2385 |
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| Author: | twofifty AZU [ November 15th, 2010, 11:24 pm ] |
| Post subject: | Re: MY AZU B 1974 |
Smiffy wrote: Perhaps "Show us your part" deserves a thread of its own... then again, perhaps not!! Combine it maybe with Old Nail's request for pictures of Muffs.... I'll get me coat |
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| Author: | Little Louis [ November 15th, 2010, 11:25 pm ] |
| Post subject: | Re: MY AZU B 1974 |
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| Author: | Geert [ November 17th, 2010, 7:41 pm ] |
| Post subject: | Re: MY AZU B 1974 |
2cvkeza wrote: Yes I did. Can you show us your part ? I suppose you mean the rear crossmember of the lower panel. I will try to make a photograph of it next weekend. It is too dark when I come home after work. 
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| Author: | 2cvkeza [ November 17th, 2010, 7:49 pm ] |
| Post subject: | Re: MY AZU B 1974 |
Geert wrote: I suppose you mean the rear crossmember of the lower panel. I will try to make a photograph of it next weekend. It is too dark when I come home after work. Yes I mean that: "Can you show us your new AZU rear crossmember of the lower panel ? " |
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| Author: | Geert [ December 3rd, 2010, 9:28 am ] |
| Post subject: | Re: MY AZU B 1974 |
I started cleaning all the bits and pieces of my 2cv engine. It is al lot of work, but satisfying. All the innerparts look good, not much wear. But I wonder if it is necessary to have the bores honed . My son thinks it shoot be done even if the bores look good, but I am worried the new pistonrings won't fit, and i have to buy a new. oversized pair. What is your opinion ?? In the mean time it has become too cold in the garage to carry on working on the engine, or other parts of the car. And because I can't go to work because of the snow and frost( I am a gardener, so working in the garden is not possible now) i would like to go on renovating the car but unfotunately i can't. A pic of uncleaned engineparts. 
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| Author: | ken [ December 3rd, 2010, 12:13 pm ] |
| Post subject: | Re: MY AZU B 1974 |
Geert, when fitting new rings, I'd always deglaze the cylinder bores, otherwise the new rings may not bed in properly... If you haven't got the correct tool, this works just as well, in fact I still prefer to do them this way.  < http://www.youtube.com/watch?v=uJqMdZ2IB7s > Maybe worth checking if your new rings have a step on the top ring? That's to avoid any problems if there's a wear ridge at the top of the bores. ken Edit: Don't forget to clean the carbon out of the ring grooves on the pistons and also wash the barrels in hot soapy water to remove all traces of grit. At least that's some warmer work... 
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| Author: | 2cvkeza [ December 3rd, 2010, 3:22 pm ] |
| Post subject: | Re: MY AZU B 1974 |
ken wrote: Geert, Maybe worth checking if your new rings have a step on the top ring? That's to avoid any problems if there's a wear ridge at the top of the bores. If not and and the cylinders are worn on the top death point than you made a ring from paper and place it on the body of engine under the cylinders. With that paper ring, cylinders are positioned little bit higher and top ring will not reach that old damage point on cylinder. Does anybody understood what I mean... 
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| Author: | Geert [ December 3rd, 2010, 3:34 pm ] |
| Post subject: | Re: MY AZU B 1974 |
Hi Ken, Thanks for your reply. Great Video ! I think the way that is been showing in de Video is better than having it honed by a machine. This way you do not lose so much metal from the bore .And you can use new original rings in stead of oversized ones. Sandpaper 120 grit , and like that other bloke said in his reaction a paperroll might be even better! @ 2cvkeza, You mean a paper gasket between the cylinder, and cylinder heads?? |
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| Author: | Sean [ December 3rd, 2010, 3:47 pm ] |
| Post subject: | Re: MY AZU B 1974 |
you need something like this  I find it bridges the top un touched part of the barrel and the bit below the maximum wear about 25mm down from top the danger is of going to far, i find a quick spin with that tool and then clean off and you see very clearly where the wear is trouble with doing it by hand is that your fingers follow the shape of the worn area paper gasket makes perfect sence, VW1600 aircooled engines have a steel gasget in the heads, the VW folk leave them out to increase the compression ratio, they are a perfect fit on the base of our barrels sean |
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| Author: | 2cvkeza [ December 3rd, 2010, 3:54 pm ] |
| Post subject: | Re: MY AZU B 1974 |
Geert wrote: @ 2cvkeza, You mean a paper gasket between the cylinder, and cylinder heads?? No, I mean paper gasket - ring between cylinder and engine body... on the bottom of the cylinder. |
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